desolation vs sadness

desolation

noun
  • The state of being desolated or laid waste 

  • The act of desolating or laying waste; destruction of inhabitants; depopulation. 

  • A place or country wasted and forsaken. 

sadness

noun
  • The state or emotion of being sad. 

  • An event in one's life that causes sadness. 

How often have the words desolation and sadness occurred in a corpus of books? (source: Google Ngram Viewer )